Kichiku: Oyako Choukyou Nikki - Season 1

A pharmaceutical student, dissatisfied with his lack of romantic success and general disregard from others, turns his academic knowledge toward a personal project. He employs drugs developed through his studies to incapacitate his family members. This leads to a series of assaults, with the narrative depicting a process where the victims are coerced until they are portrayed as soliciting his sexual advances.